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<div class="title">fluid_structure_interaction.h</div>  </div>
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<a href="fluid__structure__interaction_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -------------------------------------------------------------------------*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">*                               SPHinXsys                                   *</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">* --------------------------------------------------------------------------*</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">* SPHinXsys (pronunciation: s&#39;finksis) is an acronym from Smoothed Particle *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">* Hydrodynamics for industrial compleX systems. It provides C++ APIs for    *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">* physical accurate simulation and aims to model coupled industrial dynamic *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">* systems including fluid, solid, multi-body dynamics and beyond with SPH   *</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">* (smoothed particle hydrodynamics), a meshless computational method using  *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">* particle discretization.                                                  *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">*                                                                           *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">* SPHinXsys is partially funded by German Research Foundation               *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">* (Deutsche Forschungsgemeinschaft) DFG HU1527/6-1, HU1527/10-1             *</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">* and HU1527/12-1.                                                          *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">*                                                                           *</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">* Portions copyright (c) 2017-2020 Technical University of Munich and       *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">* the authors&#39; affiliations.                                                *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">*                                                                           *</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">* Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may   *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">* not use this file except in compliance with the License. You may obtain a *</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">* copy of the License at http://www.apache.org/licenses/LICENSE-2.0.        *</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">*                                                                           *</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">* --------------------------------------------------------------------------*/</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &quot;all_particle_dynamics.h&quot;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="base__material_8h.html">base_material.h</a>&quot;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="fluid__dynamics__complex_8h.html">fluid_dynamics_complex.h</a>&quot;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#include &quot;riemann_solver.h&quot;</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespace_s_p_h.html">SPH</a></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;{</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    <span class="keyword">namespace </span>solid_dynamics</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    {</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        <span class="keyword">typedef</span> DataDelegateSimple&lt;SolidBody, SolidParticles, Solid&gt; SolidDataSimple;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;        <span class="keyword">typedef</span> DataDelegateContact&lt;SolidBody, SolidParticles, Solid, FluidBody, FluidParticles, Fluid&gt; FSIContactData;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid.html">   46</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid.html">FluidViscousForceOnSolid</a> :</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;            <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_interaction_dynamics.html">InteractionDynamics</a>, <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_data_delegate_contact.html">FSIContactData</a></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        {</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        <span class="keyword">public</span>:</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;            <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid.html">FluidViscousForceOnSolid</a>(<a class="code" href="class_s_p_h_1_1_base_contact_body_relation.html">BaseContactBodyRelation</a>* body_contact_relation);</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid.html">FluidViscousForceOnSolid</a>() {};</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;            StdLargeVec&lt;Real&gt;&amp; Vol_;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;            StdLargeVec&lt;Vecd&gt;&amp; vel_ave_, &amp; viscous_force_from_fluid_;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;            StdVec&lt;StdLargeVec&lt;Real&gt;*&gt; contact_Vol_, contact_rho_n_;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;            StdVec&lt;StdLargeVec&lt;Vecd&gt;*&gt; contact_vel_n_;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;            <a class="code" href="class_std_vec_3_01_real_01_4.html">StdVec&lt;Real&gt;</a> mu_;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;            <a class="code" href="class_std_vec_3_01_real_01_4.html">StdVec&lt;Real&gt;</a> smoothing_length_;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160; </div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid.html#ad6983c97b416be22b60e240007457019">Interaction</a>(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        };</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160; </div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_angular_conservative_viscous_force_on_solid.html">   67</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_angular_conservative_viscous_force_on_solid.html">FluidAngularConservativeViscousForceOnSolid</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid.html">FluidViscousForceOnSolid</a></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        {</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        <span class="keyword">public</span>:</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;            <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_angular_conservative_viscous_force_on_solid.html">FluidAngularConservativeViscousForceOnSolid</a>(<a class="code" href="class_s_p_h_1_1_base_contact_body_relation.html">BaseContactBodyRelation</a>* body_contact_relation)</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;                : <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid.html">FluidViscousForceOnSolid</a>(body_contact_relation) {};</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_angular_conservative_viscous_force_on_solid.html">FluidAngularConservativeViscousForceOnSolid</a>() {};</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_angular_conservative_viscous_force_on_solid.html#a34adc7cce7b0e4915b935e51818a3041">Interaction</a>(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        };</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160; </div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> RiemannSolverType&gt;</div>
<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1solid__dynamics_1_1_base_fluid_pressure_force_on_solid.html">   85</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_base_fluid_pressure_force_on_solid.html">BaseFluidPressureForceOnSolid</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid.html">FluidViscousForceOnSolid</a></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        {</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        <span class="keyword">public</span>:</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;            <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_base_fluid_pressure_force_on_solid.html">BaseFluidPressureForceOnSolid</a>(<a class="code" href="class_s_p_h_1_1_base_contact_body_relation.html">BaseContactBodyRelation</a>* body_contact_relation) :</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;                <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid.html">FluidViscousForceOnSolid</a>(body_contact_relation), </div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;                force_from_fluid_(particles_-&gt;force_from_fluid_),</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;                dvel_dt_ave_(particles_-&gt;dvel_dt_ave_), n_(particles_-&gt;n_)</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;            {</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;                <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> k = 0; k != contact_particles_.size(); ++k)</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;                {</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;                    contact_p_.push_back(&amp;(contact_particles_[k]-&gt;p_));</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;                    contact_dvel_dt_others_.push_back(&amp;(contact_particles_[k]-&gt;dvel_dt_others_));</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;                    riemann_solvers_.push_back(<span class="keyword">new</span> RiemannSolverType(*contact_material_[k], *contact_material_[k]));</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;                }</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;            };</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_base_fluid_pressure_force_on_solid.html">BaseFluidPressureForceOnSolid</a>() {};</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;            StdLargeVec&lt;Vecd&gt;&amp; force_from_fluid_, &amp; dvel_dt_ave_, &amp; n_;</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;            StdVec&lt;StdLargeVec&lt;Real&gt;*&gt; contact_p_;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;            StdVec&lt;StdLargeVec&lt;Vecd&gt;*&gt; contact_dvel_dt_others_;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;            StdVec &lt;RiemannSolverType*&gt; riemann_solvers_;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160; </div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> Interaction(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0)<span class="keyword"> override</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="keyword">            </span>{</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;                Vecd&amp; dvel_dt_ave_i = dvel_dt_ave_[index_i];</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;                Real Vol_i = Vol_[index_i];</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;                Vecd&amp; vel_ave_i = vel_ave_[index_i];</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;                Vecd&amp; n_i = n_[index_i];</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160; </div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;                Vecd force(0);</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;                <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> k = 0; k &lt; <a class="code" href="class_s_p_h_1_1_data_delegate_contact.html#a9c6f57fe46a57fef5ab82638eb446439">contact_configuration_</a>.size(); ++k)</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;                {</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;                    StdLargeVec&lt;Real&gt;&amp; Vol_k = *(contact_Vol_[k]);</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;                    StdLargeVec&lt;Real&gt;&amp; rho_n_k = *(contact_rho_n_[k]);</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;                    StdLargeVec&lt;Real&gt;&amp; p_k = *(contact_p_[k]);</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;                    StdLargeVec&lt;Vecd&gt;&amp; vel_n_k = *(contact_vel_n_[k]);</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;                    StdLargeVec&lt;Vecd&gt;&amp; dvel_dt_others_k = *(contact_dvel_dt_others_[k]);</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;                    <a class="code" href="class_s_p_h_1_1_fluid.html">Fluid</a>* fluid_k = contact_material_[k];</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;                    RiemannSolverType* riemann_solver_k = riemann_solvers_[k];</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;                    <a class="code" href="class_s_p_h_1_1_neighborhood.html">Neighborhood</a>&amp; contact_neighborhood = (*<a class="code" href="class_s_p_h_1_1_data_delegate_contact.html#a9c6f57fe46a57fef5ab82638eb446439">contact_configuration_</a>[k])[index_i];</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;                    <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> n = 0; n != contact_neighborhood.<a class="code" href="class_s_p_h_1_1_neighborhood.html#a1e2d0d9c7af09e2ee0e58903b171902d">current_size_</a>; ++n)</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;                    {</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;                        <span class="keywordtype">size_t</span> index_j = contact_neighborhood.<a class="code" href="class_s_p_h_1_1_neighborhood.html#aaec2f984f8c1afd41b2ea98ec7033f99">j_</a>[n];</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;                        Vecd e_ij = contact_neighborhood.<a class="code" href="class_s_p_h_1_1_neighborhood.html#a782ec6d5487c833710534ac48aa2e63b">e_ij_</a>[n];</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;                        Real r_ij = contact_neighborhood.<a class="code" href="class_s_p_h_1_1_neighborhood.html#a8a44c2a06d377d53b39479308a86edfc">r_ij_</a>[n];</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;                        Real face_wall_external_acceleration</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;                            = dot((dvel_dt_others_k[index_j] - dvel_dt_ave_i), e_ij);</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;                        Real p_in_wall = p_k[index_j] + rho_n_k[index_j] * r_ij * SMAX(0.0, face_wall_external_acceleration);</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;                        Real rho_in_wall = fluid_k-&gt;DensityFromPressure(p_in_wall);</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160; </div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;                        <a class="code" href="struct_s_p_h_1_1_fluid_state.html">FluidState</a> state_l(rho_n_k[index_j], vel_n_k[index_j], p_k[index_j]);</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;                        <a class="code" href="struct_s_p_h_1_1_fluid_state.html">FluidState</a> state_r(rho_in_wall, vel_ave_i, p_in_wall);</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;                        Real p_star = riemann_solver_k-&gt;getPStar(state_l, state_r, n_i);</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;                        force -= 2.0 * p_star * e_ij * Vol_i * Vol_k[index_j] * contact_neighborhood.<a class="code" href="class_s_p_h_1_1_neighborhood.html#aef11606a64385d6a5274d830349b7c82">dW_ij_</a>[n];</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;                    }</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;                }</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;                force_from_fluid_[index_i] = viscous_force_from_fluid_[index_i] + force;</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;            };</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        };</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        <span class="keyword">using</span> <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_base_fluid_pressure_force_on_solid.html">FluidPressureForceOnSolid</a> = <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_base_fluid_pressure_force_on_solid.html">BaseFluidPressureForceOnSolid&lt;NoRiemannSolver&gt;</a>;</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        <span class="keyword">using</span> <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_base_fluid_pressure_force_on_solid.html">FluidPressureForceOnSolidRiemann</a> = <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_base_fluid_pressure_force_on_solid.html">BaseFluidPressureForceOnSolid&lt;AcousticRiemannSolver&gt;</a>;</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160; </div>
<div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1solid__dynamics_1_1_total_viscous_force_on_solid.html">  151</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_total_viscous_force_on_solid.html">TotalViscousForceOnSolid</a> :</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;            <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_particle_dynamics_reduce.html">ParticleDynamicsReduce</a>&lt;Vecd, ReduceSum&lt;Vecd&gt;&gt;, <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_data_delegate_simple.html">SolidDataSimple</a></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        {</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        <span class="keyword">public</span>:</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;            <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_total_viscous_force_on_solid.html">TotalViscousForceOnSolid</a>(<a class="code" href="class_s_p_h_1_1_solid_body.html">SolidBody</a>* body);</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_total_viscous_force_on_solid.html">TotalViscousForceOnSolid</a>() {};</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;        <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;            StdLargeVec&lt;Vecd&gt;&amp; viscous_force_from_fluid_;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;            Vecd ReduceFunction(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;        };</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160; </div>
<div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1solid__dynamics_1_1_total_force_on_solid.html">  166</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_total_force_on_solid.html">TotalForceOnSolid</a> :</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;            <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_particle_dynamics_reduce.html">ParticleDynamicsReduce</a>&lt;Vecd, ReduceSum&lt;Vecd&gt;&gt;, <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_data_delegate_simple.html">SolidDataSimple</a></div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;        {</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        <span class="keyword">public</span>:</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;            <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_total_force_on_solid.html">TotalForceOnSolid</a>(<a class="code" href="class_s_p_h_1_1_solid_body.html">SolidBody</a>* body);</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_total_force_on_solid.html">TotalForceOnSolid</a>() {};</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;            StdLargeVec&lt;Vecd&gt;&amp; force_from_fluid_;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;            Vecd ReduceFunction(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;        };</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160; </div>
<div class="line"><a name="l00183"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1solid__dynamics_1_1_initialize_displacement.html">  183</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_initialize_displacement.html">InitializeDisplacement</a> :</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;            <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_particle_dynamics_simple.html">ParticleDynamicsSimple</a>, <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_data_delegate_simple.html">SolidDataSimple</a></div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;        {</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;        <span class="keyword">public</span>:</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;            <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_initialize_displacement.html">InitializeDisplacement</a>(<a class="code" href="class_s_p_h_1_1_solid_body.html">SolidBody</a>* body, StdLargeVec&lt;Vecd&gt;&amp; pos_temp);</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_initialize_displacement.html">InitializeDisplacement</a>() {};</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;            StdLargeVec&lt;Vecd&gt;&amp; pos_temp_, &amp; pos_n_, &amp; vel_ave_, &amp; dvel_dt_ave_;</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> Update(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        };</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160; </div>
<div class="line"><a name="l00200"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1solid__dynamics_1_1_update_average_velocity_and_acceleration.html">  200</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_update_average_velocity_and_acceleration.html">UpdateAverageVelocityAndAcceleration</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_initialize_displacement.html">InitializeDisplacement</a></div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;        {</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;        <span class="keyword">public</span>:</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;            <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_update_average_velocity_and_acceleration.html">UpdateAverageVelocityAndAcceleration</a>(<a class="code" href="class_s_p_h_1_1_solid_body.html">SolidBody</a>* body, StdLargeVec&lt;Vecd&gt;&amp; pos_temp)</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;                : <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_initialize_displacement.html">InitializeDisplacement</a>(body, pos_temp) {};</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_update_average_velocity_and_acceleration.html">UpdateAverageVelocityAndAcceleration</a>() {};</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;        <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> Update(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        };</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160; </div>
<div class="line"><a name="l00216"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1solid__dynamics_1_1_average_velocity_and_acceleration.html">  216</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_average_velocity_and_acceleration.html">AverageVelocityAndAcceleration</a></div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;        {</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;        <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;            StdLargeVec&lt;Vecd&gt;&amp; pos_temp_;</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;        <span class="keyword">public</span>:</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;            <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_initialize_displacement.html">InitializeDisplacement</a> initialize_displacement_;</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;            <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_update_average_velocity_and_acceleration.html">UpdateAverageVelocityAndAcceleration</a> update_averages_;</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160; </div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;            <a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_average_velocity_and_acceleration.html">AverageVelocityAndAcceleration</a>(<a class="code" href="class_s_p_h_1_1_solid_body.html">SolidBody</a>* body);</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;            ~<a class="code" href="class_s_p_h_1_1solid__dynamics_1_1_average_velocity_and_acceleration.html">AverageVelocityAndAcceleration</a>() {};</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;        };</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    }</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;}</div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aclass_s_p_h_1_1_neighborhood_html_a1e2d0d9c7af09e2ee0e58903b171902d"><div class="ttname"><a href="class_s_p_h_1_1_neighborhood.html#a1e2d0d9c7af09e2ee0e58903b171902d">SPH::Neighborhood::current_size_</a></div><div class="ttdeci">size_t current_size_</div><div class="ttdef"><b>Definition:</b> neighbor_relation.h:45</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_data_delegate_contact_html"><div class="ttname"><a href="class_s_p_h_1_1_data_delegate_contact.html">SPH::DataDelegateContact</a></div><div class="ttdoc">prepare data for contact particle dynamics</div><div class="ttdef"><b>Definition:</b> base_particle_dynamics.h:213</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_neighborhood_html_aaec2f984f8c1afd41b2ea98ec7033f99"><div class="ttname"><a href="class_s_p_h_1_1_neighborhood.html#aaec2f984f8c1afd41b2ea98ec7033f99">SPH::Neighborhood::j_</a></div><div class="ttdeci">StdLargeVec&lt; size_t &gt; j_</div><div class="ttdef"><b>Definition:</b> neighbor_relation.h:48</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_particle_dynamics_reduce_html"><div class="ttname"><a href="class_s_p_h_1_1_particle_dynamics_reduce.html">SPH::ParticleDynamicsReduce</a></div><div class="ttdoc">Base abstract class for reduce.</div><div class="ttdef"><b>Definition:</b> particle_dynamics_algorithms.h:66</div></div>
<div class="ttc" id="aclass_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid_html_ad6983c97b416be22b60e240007457019"><div class="ttname"><a href="class_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid.html#ad6983c97b416be22b60e240007457019">SPH::solid_dynamics::FluidViscousForceOnSolid::Interaction</a></div><div class="ttdeci">virtual void Interaction(size_t index_i, Real dt=0.0) override</div><div class="ttdef"><b>Definition:</b> fluid_structure_interaction.cpp:31</div></div>
<div class="ttc" id="aclass_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid_html"><div class="ttname"><a href="class_s_p_h_1_1solid__dynamics_1_1_fluid_viscous_force_on_solid.html">SPH::solid_dynamics::FluidViscousForceOnSolid</a></div><div class="ttdoc">Computing the viscous force from the fluid.</div><div class="ttdef"><b>Definition:</b> fluid_structure_interaction.h:46</div></div>
<div class="ttc" id="afluid__dynamics__complex_8h_html"><div class="ttname"><a href="fluid__dynamics__complex_8h.html">fluid_dynamics_complex.h</a></div><div class="ttdoc">Here, we define the algorithm classes for complex fluid dynamics, which is involving with either soli...</div></div>
<div class="ttc" id="aclass_s_p_h_1_1solid__dynamics_1_1_base_fluid_pressure_force_on_solid_html"><div class="ttname"><a href="class_s_p_h_1_1solid__dynamics_1_1_base_fluid_pressure_force_on_solid.html">SPH::solid_dynamics::BaseFluidPressureForceOnSolid</a></div><div class="ttdef"><b>Definition:</b> fluid_structure_interaction.h:85</div></div>
<div class="ttc" id="aclass_std_vec_3_01_real_01_4_html"><div class="ttname"><a href="class_std_vec_3_01_real_01_4.html">StdVec&lt; Real &gt;</a></div></div>
<div class="ttc" id="aclass_s_p_h_1_1_solid_body_html"><div class="ttname"><a href="class_s_p_h_1_1_solid_body.html">SPH::SolidBody</a></div><div class="ttdoc">Declaration of solidbody which is used for Solid BCs and derived from RealBody.</div><div class="ttdef"><b>Definition:</b> solid_body.h:43</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_neighborhood_html_a8a44c2a06d377d53b39479308a86edfc"><div class="ttname"><a href="class_s_p_h_1_1_neighborhood.html#a8a44c2a06d377d53b39479308a86edfc">SPH::Neighborhood::r_ij_</a></div><div class="ttdeci">StdLargeVec&lt; Real &gt; r_ij_</div><div class="ttdef"><b>Definition:</b> neighbor_relation.h:51</div></div>
<div class="ttc" id="astruct_s_p_h_1_1_fluid_state_html"><div class="ttname"><a href="struct_s_p_h_1_1_fluid_state.html">SPH::FluidState</a></div><div class="ttdef"><b>Definition:</b> riemann_solver.h:35</div></div>
<div class="ttc" id="aclass_s_p_h_1_1solid__dynamics_1_1_fluid_angular_conservative_viscous_force_on_solid_html_a34adc7cce7b0e4915b935e51818a3041"><div class="ttname"><a href="class_s_p_h_1_1solid__dynamics_1_1_fluid_angular_conservative_viscous_force_on_solid.html#a34adc7cce7b0e4915b935e51818a3041">SPH::solid_dynamics::FluidAngularConservativeViscousForceOnSolid::Interaction</a></div><div class="ttdeci">virtual void Interaction(size_t index_i, Real dt=0.0) override</div><div class="ttdef"><b>Definition:</b> fluid_structure_interaction.cpp:60</div></div>
<div class="ttc" id="abase__material_8h_html"><div class="ttname"><a href="base__material_8h.html">base_material.h</a></div><div class="ttdoc">This is the base classes of all materials. A function in a derived material class returns a value wit...</div></div>
<div class="ttc" id="aclass_s_p_h_1_1solid__dynamics_1_1_update_average_velocity_and_acceleration_html"><div class="ttname"><a href="class_s_p_h_1_1solid__dynamics_1_1_update_average_velocity_and_acceleration.html">SPH::solid_dynamics::UpdateAverageVelocityAndAcceleration</a></div><div class="ttdoc">Computing average velocity. This class is for FSI applications to achieve smaller solid dynamics time...</div><div class="ttdef"><b>Definition:</b> fluid_structure_interaction.h:200</div></div>
<div class="ttc" id="aclass_s_p_h_1_1solid__dynamics_1_1_total_force_on_solid_html"><div class="ttname"><a href="class_s_p_h_1_1solid__dynamics_1_1_total_force_on_solid.html">SPH::solid_dynamics::TotalForceOnSolid</a></div><div class="ttdoc">Computing total force from fluid.</div><div class="ttdef"><b>Definition:</b> fluid_structure_interaction.h:166</div></div>
<div class="ttc" id="aclass_s_p_h_1_1solid__dynamics_1_1_total_viscous_force_on_solid_html"><div class="ttname"><a href="class_s_p_h_1_1solid__dynamics_1_1_total_viscous_force_on_solid.html">SPH::solid_dynamics::TotalViscousForceOnSolid</a></div><div class="ttdoc">Computing the total viscous force from fluid.</div><div class="ttdef"><b>Definition:</b> fluid_structure_interaction.h:151</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_neighborhood_html"><div class="ttname"><a href="class_s_p_h_1_1_neighborhood.html">SPH::Neighborhood</a></div><div class="ttdoc">A neighborhood around particle i.</div><div class="ttdef"><b>Definition:</b> neighbor_relation.h:42</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_neighborhood_html_a782ec6d5487c833710534ac48aa2e63b"><div class="ttname"><a href="class_s_p_h_1_1_neighborhood.html#a782ec6d5487c833710534ac48aa2e63b">SPH::Neighborhood::e_ij_</a></div><div class="ttdeci">StdLargeVec&lt; Vecd &gt; e_ij_</div><div class="ttdef"><b>Definition:</b> neighbor_relation.h:52</div></div>
<div class="ttc" id="aclass_s_p_h_1_1solid__dynamics_1_1_average_velocity_and_acceleration_html"><div class="ttname"><a href="class_s_p_h_1_1solid__dynamics_1_1_average_velocity_and_acceleration.html">SPH::solid_dynamics::AverageVelocityAndAcceleration</a></div><div class="ttdoc">Impose force matching between fluid and solid dynamics. Note that the fluid time step should be large...</div><div class="ttdef"><b>Definition:</b> fluid_structure_interaction.h:216</div></div>
<div class="ttc" id="aclass_s_p_h_1_1solid__dynamics_1_1_initialize_displacement_html"><div class="ttname"><a href="class_s_p_h_1_1solid__dynamics_1_1_initialize_displacement.html">SPH::solid_dynamics::InitializeDisplacement</a></div><div class="ttdoc">initialize the displacement for computing average velocity. This class is for FSI applications to ach...</div><div class="ttdef"><b>Definition:</b> fluid_structure_interaction.h:183</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_neighborhood_html_aef11606a64385d6a5274d830349b7c82"><div class="ttname"><a href="class_s_p_h_1_1_neighborhood.html#aef11606a64385d6a5274d830349b7c82">SPH::Neighborhood::dW_ij_</a></div><div class="ttdeci">StdLargeVec&lt; Real &gt; dW_ij_</div><div class="ttdef"><b>Definition:</b> neighbor_relation.h:50</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_data_delegate_contact_html_a9c6f57fe46a57fef5ab82638eb446439"><div class="ttname"><a href="class_s_p_h_1_1_data_delegate_contact.html#a9c6f57fe46a57fef5ab82638eb446439">SPH::DataDelegateContact::contact_configuration_</a></div><div class="ttdeci">StdVec&lt; ParticleConfiguration * &gt; contact_configuration_</div><div class="ttdef"><b>Definition:</b> base_particle_dynamics.h:223</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_base_contact_body_relation_html"><div class="ttname"><a href="class_s_p_h_1_1_base_contact_body_relation.html">SPH::BaseContactBodyRelation</a></div><div class="ttdoc">The base relation between a SPH body and its contact SPH bodies.</div><div class="ttdef"><b>Definition:</b> body_relation.h:166</div></div>
<div class="ttc" id="aclass_s_p_h_1_1solid__dynamics_1_1_fluid_angular_conservative_viscous_force_on_solid_html"><div class="ttname"><a href="class_s_p_h_1_1solid__dynamics_1_1_fluid_angular_conservative_viscous_force_on_solid.html">SPH::solid_dynamics::FluidAngularConservativeViscousForceOnSolid</a></div><div class="ttdoc">Computing the viscous force from the fluid.</div><div class="ttdef"><b>Definition:</b> fluid_structure_interaction.h:67</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_interaction_dynamics_html"><div class="ttname"><a href="class_s_p_h_1_1_interaction_dynamics.html">SPH::InteractionDynamics</a></div><div class="ttdoc">This is the class for particle interaction with other particles.</div><div class="ttdef"><b>Definition:</b> particle_dynamics_algorithms.h:111</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_fluid_html"><div class="ttname"><a href="class_s_p_h_1_1_fluid.html">SPH::Fluid</a></div><div class="ttdoc">Base class of all fluids.</div><div class="ttdef"><b>Definition:</b> base_material.h:153</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_particle_dynamics_simple_html"><div class="ttname"><a href="class_s_p_h_1_1_particle_dynamics_simple.html">SPH::ParticleDynamicsSimple</a></div><div class="ttdoc">Simple particle dynamics without considering particle interaction.</div><div class="ttdef"><b>Definition:</b> particle_dynamics_algorithms.h:46</div></div>
<div class="ttc" id="anamespace_s_p_h_html"><div class="ttname"><a href="namespace_s_p_h.html">SPH</a></div><div class="ttdef"><b>Definition:</b> solid_body_supplementary.cpp:9</div></div>
<div class="ttc" id="aclass_s_p_h_1_1_data_delegate_simple_html"><div class="ttname"><a href="class_s_p_h_1_1_data_delegate_simple.html">SPH::DataDelegateSimple</a></div><div class="ttdoc">prepare data for simple particle dynamics.</div><div class="ttdef"><b>Definition:</b> base_particle_dynamics.h:164</div></div>
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